142505152135 has 32 divisors (see below), whose sum is σ = 183744400320. Its totient is φ = 105776409600.

The previous prime is 142505152129. The next prime is 142505152169. The reversal of 142505152135 is 531251505241.

It is not a de Polignac number, because 142505152135 - 2¹¹ = 142505150087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142505152135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1297465 + ... + 1403005.

It is an arithmetic number, because the mean of its divisors is an integer number (5742012510).

Almost surely, 2^142505152135 is an apocalyptic number.

142505152135 is a deficient number, since it is larger than the sum of its proper divisors (41239248185).

142505152135 is a wasteful number, since it uses less digits than its factorization.

142505152135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105859.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 142505152135 its reverse (531251505241), we get a palindrome (673756657376).

The spelling of 142505152135 in words is "one hundred forty-two billion, five hundred five million, one hundred fifty-two thousand, one hundred thirty-five".